Example usage for javax.tools JavaCompiler run

Introduction

In this page you can find the example usage for javax.tools JavaCompiler run.

Prototype

int run(InputStream in, OutputStream out, OutputStream err, String... arguments);

Source Link

Document

Run the tool with the given I/O channels and arguments.

Usage

From source file:gov.anl.cue.arcane.engine.matrix.MatrixModel.java

/**
 * Formulate bytecode.//from www .  j  ava 2 s. c  o  m
 */
public void formulateBytecode() {

    // Attempt to compile the file.
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    compiler.run(null, null, null,
            Util.TEMP_DIR + MatrixModel.PACKAGE_PATH + MatrixModel.CONCRETE_CLASS_NAME + ".java");

}

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From source file:org.apache.hadoop.hbase.TestClassFinder.java

/**
 * Compiles the test class with bogus code into a .class file.
 * Unfortunately it's very tedious.//from w  ww . ja v a  2s. c o  m
 * @param counter Unique test counter.
 * @param packageNameSuffix Package name suffix (e.g. ".suffix") for nesting, or "".
 * @return The resulting .class file and the location in jar it is supposed to go to.
 */
private static FileAndPath compileTestClass(long counter, String packageNameSuffix, String classNamePrefix)
        throws Exception {
    classNamePrefix = classNamePrefix + counter;
    String packageName = makePackageName(packageNameSuffix, counter);
    String javaPath = basePath + classNamePrefix + ".java";
    String classPath = basePath + classNamePrefix + ".class";
    PrintStream source = new PrintStream(javaPath);
    source.println("package " + packageName + ";");
    source.println("public class " + classNamePrefix + " { public static void main(String[] args) { } };");
    source.close();
    JavaCompiler jc = ToolProvider.getSystemJavaCompiler();
    int result = jc.run(null, null, null, javaPath);
    assertEquals(0, result);
    File classFile = new File(classPath);
    assertTrue(classFile.exists());
    return new FileAndPath(packageName.replace('.', '/') + '/', classFile);
}

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From source file:org.apache.phoenix.end2end.UserDefinedFunctionsIT.java

/**
 * Compiles the test class with bogus code into a .class file.
 * Upon finish, the bogus jar will be left at dynamic.jar.dir location
 *//*from  ww  w  .j ava 2 s .  c o  m*/
private static void compileTestClass(String className, String program, int counter) throws Exception {
    String javaFileName = className + ".java";
    File javaFile = new File(javaFileName);
    String classFileName = className + ".class";
    File classFile = new File(classFileName);
    String jarName = "myjar" + counter + ".jar";
    String jarPath = "." + File.separator + jarName;
    File jarFile = new File(jarPath);
    try {
        String packageName = "org.apache.phoenix.end2end";
        FileOutputStream fos = new FileOutputStream(javaFileName);
        fos.write(program.getBytes());
        fos.close();

        JavaCompiler jc = ToolProvider.getSystemJavaCompiler();
        int result = jc.run(null, null, null, javaFileName);
        assertEquals(0, result);

        Manifest manifest = new Manifest();
        manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
        FileOutputStream jarFos = new FileOutputStream(jarPath);
        JarOutputStream jarOutputStream = new JarOutputStream(jarFos, manifest);
        String pathToAdd = packageName.replace('.', '/') + '/';
        String jarPathStr = new String(pathToAdd);
        Set<String> pathsInJar = new HashSet<String>();

        while (pathsInJar.add(jarPathStr)) {
            int ix = jarPathStr.lastIndexOf('/', jarPathStr.length() - 2);
            if (ix < 0) {
                break;
            }
            jarPathStr = jarPathStr.substring(0, ix);
        }
        for (String pathInJar : pathsInJar) {
            jarOutputStream.putNextEntry(new JarEntry(pathInJar));
            jarOutputStream.closeEntry();
        }

        jarOutputStream.putNextEntry(new JarEntry(pathToAdd + classFile.getName()));
        byte[] allBytes = new byte[(int) classFile.length()];
        FileInputStream fis = new FileInputStream(classFile);
        fis.read(allBytes);
        fis.close();
        jarOutputStream.write(allBytes);
        jarOutputStream.closeEntry();
        jarOutputStream.close();
        jarFos.close();

        assertTrue(jarFile.exists());
        Connection conn = driver.connect(url, EMPTY_PROPS);
        Statement stmt = conn.createStatement();
        stmt.execute("add jars '" + jarFile.getAbsolutePath() + "'");
    } finally {
        if (javaFile != null)
            javaFile.delete();
        if (classFile != null)
            classFile.delete();
        if (jarFile != null)
            jarFile.delete();
    }
}

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From source file:org.ebayopensource.turmeric.eclipse.test.util.ProjectArtifactValidator.java

private void compileSrc(String filePath) {

    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();

    int result = compiler.run(null, null, null, filePath);
}

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From source file:org.ebayopensource.turmeric.tools.codegen.AbstractServiceGeneratorTestCase.java

protected void compileJavaFile(String file) {
    JavaCompiler compiler = (JavaCompiler) ToolProvider.getSystemJavaCompiler();
    compiler.run(null, null, null, file);
}

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From source file:org.spiffyui.maven.plugins.JavaCompileMojo.java

@Override
public void execute() throws MojoExecutionException, MojoFailureException {
    ArgBuilder args = new ArgBuilder();

    String classpath = flatten(classpathElements.toString(), File.pathSeparator);

    if (debug) {//from   ww  w .  jav a  2s .  com
        args.add("-g");
    }

    if (verbose) {
        args.add("-verbose");
    }

    if (deprecation) {
        args.add("-deprecation");
    }

    if (nowarn) {
        args.add("-nowarn");
    }

    if (!xlint.equals("none")) {
        if (xlint.equals("all")) {
            args.add("-Xlint");
        } else {
            args.add("-Xlint:" + xlint);
        }
    }

    args.add("-d").add(outputDirectory.getAbsolutePath()).add("-s")
            .add(generatedSourcesDirectory.getAbsolutePath()).add("-encoding").add(encoding).add("-cp")
            .add(classpath).add("-source").add(source).add("-target").add(target);

    String[] exts = { "java" };

    for (String extraArg : extraArgs) {
        args.add(extraArg);
    }

    List<String> sources = compileSourceRoots;
    sources.add(generatedSourcePath);

    for (String s : sources) {
        File path = new File(s);

        if (!path.exists()) {
            continue;
        }

        List<File> files = new ArrayList<File>(FileUtils.listFiles(path, exts, true));
        for (File file : files) {
            args.add(file.getAbsolutePath());
        }
    }

    ensureExists(outputDirectory);
    ensureExists(generatedSourcesDirectory);

    JavaCompiler javac = ToolProvider.getSystemJavaCompiler();

    if (javac == null) {
        throw new MojoExecutionException("The Java compiler could not be found.  "
                + "Make sure to point your Maven build to a full Java development environment.");
    }

    getLog().debug("Exec: javac " + args.toString());
    if (javac.run(null, null, null, args.get()) != 0) {
        throw new MojoExecutionException("Compilation failed");
    }
}

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